Niven Lectures
12 May, 2017
Sergei Tabachnikov
Penn State
Professor Tabachnikov will present two lectures, the first intended for an undergraduate audience:
 Undergraduate lecture: “Proofs (not) from the Book”, 4pm, Monday, May 1, 2017 in Willamette Hall 100. There will be pizza after the lecture on the second floor of Fenton; undergraduates especially welcome.
 Colloquium lecture: “Flavors of bicycle mathematics”, 4pm, Tuesday, May 2, 2017 in Willamette Hall 100
67 April, 2016
Cameron Gordon
University of Texas at Austin
Professor Gordon will present two lectures, the first intended for an undergraduate audience:

 Undergraduate lecture: “Knots”, 4pm, Wednesday, April 6, 2016 in Fenton Hall 110. There will be pizza after the lecture on the second floor of Fenton; undergraduates especially welcome.
 Colloquium lecture: “Leftorderability of 3manifold groups”, 4pm, Thursday, April 7 2016 in Straub Hall 145
2728 January 2015
Pavel Etingof
MIT
Professor Etingof will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture: “Representations of quivers and Gabriel’s theorem”, 4pm, Tuesday, 27 January 2015 in Walnut room, EMU. There will be a reception in Fenton 219 immediately after the talk.
 Colloquium lecture: “Double affine Hecke algebras”, 2pm, Wednesday, 28 January 2015 in Maple room, EMU. After the lecture there will be tea in Fenton 219.
Here is a poster giving more information about the two lectures (PDF).
34 April 2014
Mikhail Kapranov
Yale University
Professor Kapranov will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture: “How simple is the simplex?”, 4pm, Thursday, 3 April 2014 in 166 Lawrence Hall. There will be a reception in Fenton 219 immediately after the talk.
 Colloquium lecture: “2dimensional symmetry of homological algebra”, 4pm, Friday, 4 April 2014 in 208 Deady Hall. Before the lecture there will be tea at 3:15 in Fenton 219.
Here is a poster giving more information about the two lectures (PDF).
1314 May 2013
Sergey Fomin
University of Michigan
Professor Fomin will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture: “Periodicity of Cluster Transformations”, 4pm, Monday, 13 May 2013 in 208 Deady Hall. There will be a reception in Fenton 219 immediately after the talk.
 Colloquium lecture: “Cluster Algebras and Invariant Theory”, 4pm, Tuesday, 14 May 2013 in 112 Lillis Hall. Before the lecture there will be tea from 3:15 in Fenton 219.
Here is a poster giving more information about the two lectures (PDF).
1415 May 2012
Ravi Vakil
Stanford University
Professor Vakil will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture: “The Mathematics of Doodling”, Monday, 14 May 2012, 4:00 pm in 208 Fenton Hall.
 Colloquium lecture: “Cutting and Pasting in Algebraic Geometry”, Tuesday, 15 May 2012, 4:00 pm in 208 Fenton Hall.
2425 May 2011
Denis Auroux
University of California, Berkeley
Professor Auroux will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture: “Seeing into the fourth dimension”, Tuesday, 24 May 2011, 4:00 pm in 100 Willamette Hall. Reception to follow in Willamette Hall atrium.
 Colloquium lecture: “Building 3manifold invariants by composing correspondences”, Wednesday, 25 May 2011, 4:00 pm in 100 Willamette Hall. Tea from 3:00 pm to 4:00 pm in Willamette Hall atrium.
Here are the abstracts.
2628 April 2010
Alexei Borodin
California Institute of Technology
Professor Borodin will present two lectures, the first of which is intended for undergraduates:
 Undergraduate lecture, “Around Longest Increasing Subsequences”, Wednesday, 26 May 2010, 4:00 pm in 166 Lawrence Hall.
 Colloquium lecture, “Interlacing Particle Systems”, Friday, 28 May 2010, 4:00 pm in 208 Deady Hall.
Here is the poster, including the abstracts.
2122 April 2008
Allen Knutson
UC San Diego
Professor Knutson will present two lectures, the second of which is intended for undergraduates:
 Colloquium lecture, “The Space of Commuting Matrices, and Statistical Mechanics”, 4pm, 21 April 2008, 208 Deady.
 Undergraduate lecture (likely to be interesting to graduate students too), “Juggling Patterns and Gaussian Elimination”, noon, 22 April 2008, 301 Deady.
Here are the abstracts.
1112 April 2007
Dan Freed
University of Texas at Austin
Professor Freed will present two lectures, the first of which is intended for undergraduates:
 Lecture 1: “The geometry and topology of Maxwell’s equations”.
12:00 p.m., Wednesday, 11 April 2007  Lecture 2: “Secondary differentialgeometric invariants, generalized cohomology, and QCD”
4:00 p.m., Thursday, 12 April 2007
28 March – 1 April 2005
Alexandre Kirillov
University of Pennsylvania
Professor Kirillov will present three lectures, the second two of which are undergraduate lectures:
 Lecture 1: “A tale on two fractals”
4:00 p.m., Monday, 28 March 2005, 106 Deady Hall  Lecture 2: “Selfsimilar fractal sets and generalized numerical systems”
12:00 p.m., Wednesday, 30 March 2005, 229 McKenzie Hall  Lecture 3: “Descartes theorem and its generalization”
4:00 p.m., Friday, 1 April 2005, 106 Deady Hall
Here are the abstracts for all three talks (pdf).
2425 May 2004
Peter Sarnak
Princeton University and Courant Institute
Professor Sarnak will present two lectures, the second of which is intended for undergraduates:
 Lecture 1: “The spectrum of the modular surface”
4:00 p.m., Monday, 24 May 2004, 208 Deady Hall  Lecture 2: “Sums of squares”
12:00 p.m., Tuesday, 25 May 2004, 229 McKenzie Hall
1415 October 2002
John Conway
Princeton University
Professor Conway will present two lectures, the second of which is intended for undergraduates:
 Lecture 1: “The 219 space groups”
4:00 p.m., Monday, 14 October 2002, 110 Fenton Hall  Lecture 2: “What’s new about polyhedra and polytopes?”
4:00 p.m., Tuesday, 15 October 2002, 110 Fenton Hall
810 May 2000
George Andrews
Pennsylvania State University
Professor Andrews will present two lectures, the second of which is intended for undergraduates:
 Lecture 1: “Some things Ramanujan may have had up his sleeve”
4:00 p.m., Monday, 8 May 2000, 110 Fenton Hall  Lecture 2: “Ramanujan, continued fractions and teaching mathematics”
4:00 p.m., Wednesday,10 May 2000, 210 Deady Hall
2628 April 1999
David Eisenbud
Director of MSRI and University of California, Berkeley
Professor Eisenbud will present three lectures, the last of which is intended for undergraduates:
 Lecture 1: “What free resolutions (might) teach us about geometry”
4:00 p.m., Monday, 26 April 1999, 110 Fenton Hall  Lecture 2: “Free resolutions over exterior algebras”
4:00 p.m., Tuesday, 27 April 1999, 210 Deady Hall  Lecture 3: “How to take a walk using a commutative algebra”
12:00 p.m., Wednesday, 28 April 1999, 210 Deady Hall
May 1997
Michael Artin
Massachusetts Institute of Technology
June 1996
Persi Diaconis
Stanford University